Structure of PDB 1hr9 Chain F

Receptor sequence
>1hr9F (length=443) Species: 4932 (Saccharomyces cerevisiae) [Search protein sequence]
ASQIPGTRTSKLPNGLTIATEYIPNTSSATVGIFVDAGSRAENVKNNGTA
HFLQHLAFKGTQNRPQQGIELEIENIGSHLNAYTSRENTVYYAKSLQEDI
PKAVDILSDILTKSVLDNSAIERERDVIIRESEEVDKMYDEVVFDHLHEI
TYKDQPLGRTILGPIKNIKSITRTDLKDYITKNYKGDRMVLAGAGAVDHE
KLVQYAQKYFGHVPKSESPVPLGSPRGPLPVFCRGERFIKENTLPTTHIA
IALEGVSWSAPDYFVALATQAIVGNWDRAIGTGTNSPSPLAVAASQNGSL
ANSYMSFSTSYADSGLWGMYIVTDSNEHNVRLIVNEILKEWKRIKSGKIS
DAEVNRAKAQLKAALLLSLDGSTAIVEDIGRQVVTTGKRLSPEEVFEQVD
KITKDDIIMWANYRLQNKPVSMVALGNTSTVPNVSYIEEKLNQ
3D structure
PDB1hr9 Crystal structures of mitochondrial processing peptidase reveal the mode for specific cleavage of import signal sequences.
ChainF
Resolution3.01 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) H70 Q73 H74 E143 E150
Catalytic site (residue number reindexed from 1) H51 Q54 H55 E124 E131
Enzyme Commision number 3.4.24.64: mitochondrial processing peptidase.
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 peptide F Q73 Y102 T103 S104 E150 V154 W277 L286 F326 S327 E396 Q54 Y83 T84 S85 E131 V135 W258 L267 F307 S308 E377
BS02 ZN F H70 H74 E150 H51 H55 E131
Gene Ontology
Molecular Function
GO:0004222 metalloendopeptidase activity
GO:0005515 protein binding
GO:0008237 metallopeptidase activity
GO:0008270 zinc ion binding
GO:0046872 metal ion binding
Biological Process
GO:0006508 proteolysis
GO:0006627 protein processing involved in protein targeting to mitochondrion
Cellular Component
GO:0005739 mitochondrion
GO:0005759 mitochondrial matrix
GO:0017087 mitochondrial processing peptidase complex

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:1hr9, PDBe:1hr9, PDBj:1hr9
PDBsum1hr9
PubMed11470436
UniProtP10507|MPPB_YEAST Mitochondrial-processing peptidase subunit beta (Gene Name=MAS1)

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